EP1411511B1 - Mécanisme d'appareil à bande - Google Patents

Mécanisme d'appareil à bande Download PDF

Info

Publication number
EP1411511B1
EP1411511B1 EP03256298A EP03256298A EP1411511B1 EP 1411511 B1 EP1411511 B1 EP 1411511B1 EP 03256298 A EP03256298 A EP 03256298A EP 03256298 A EP03256298 A EP 03256298A EP 1411511 B1 EP1411511 B1 EP 1411511B1
Authority
EP
European Patent Office
Prior art keywords
chassis
sub
hook
cassette carrier
mechanism according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP03256298A
Other languages
German (de)
English (en)
Other versions
EP1411511A3 (fr
EP1411511A2 (fr
Inventor
Bong-Joo Kim
Hyeong-seok 205-1404 Hwanggol-maeul Choi
Jae-kab 601-902 Yuweon Apartment Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1411511A2 publication Critical patent/EP1411511A2/fr
Publication of EP1411511A3 publication Critical patent/EP1411511A3/fr
Application granted granted Critical
Publication of EP1411511B1 publication Critical patent/EP1411511B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
    • G11B15/67544—Guiding containers, e.g. loading, ejecting cassettes with movement of the cassette parallel to its main side and subsequent movement perpendicular thereto, i.e. front loading
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/66—Threading; Loading; Automatic self-loading
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/66—Threading; Loading; Automatic self-loading
    • G11B15/665—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container
    • G11B15/6653—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container to pull the record carrier against drum
    • G11B15/6656—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container to pull the record carrier against drum using two-sided extraction, i.e. "M-type"
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
    • G11B15/67563—Guiding containers, e.g. loading, ejecting cassettes with movement of the cassette perpendicular to its main side, i.e. top loading
    • G11B15/67565—Guiding containers, e.g. loading, ejecting cassettes with movement of the cassette perpendicular to its main side, i.e. top loading of the cassette with holder

Definitions

  • the present invention relates to a tape deck mechanism comprising a main chassis, a sub-chassis moveable between unloaded and loaded positions over the main chassis, a cassette carrier moveable relative to the sub-chassis between unloaded and loaded positions, and a latch for retaining the cassette carrier in its loaded position.
  • a tape deck mechanism is known from US 2001/012 173 A1 .
  • Tape deck mechanisms are also known from US 6 198 596 B1 and US 6 038 100 A .
  • Tape decks having rotating heads for tape recording and reproducing apparatuses e.g. camcorders, video cassette recorders (VCR) and digital audio tape recorders (DAT), are well-known in general.
  • camcorders e.g. camcorders, video cassette recorders (VCR) and digital audio tape recorders (DAT)
  • VCR video cassette recorders
  • DAT digital audio tape recorders
  • Figure 1 shows the moving deck 100 of a camcorder.
  • the camcorder used here merely as an example of a tape recorder.
  • the moving deck 100 includes a deck chassis 110, a tape cassette housing 120 and a locking device 190 for locking the tape cassette housing 120 onto the deck chassis 110.
  • the deck chassis 110 includes a main-chassis 111 and a sub-chassis 112 that slides reciprocally over the main-chassis 111 during loading and unloading of a magnetic tape.
  • the tape cassette housing 120 is for removably loading a tape cassette.
  • First and second link members 160, 170 hinged to opposite sides of the tape cassette housing 120 are slidingly connected to the sub chassis 112, thereby allowing the tape cassette housing 120 to ascend from and descend to the sub-chassis 112.
  • the locking device 190 includes a locking protrusion 195, a locking recess 197, complementary to the locking protrusion 195, and a locking lever 191 hinged to one side of the tape cassette housing 120.
  • the locking lever 191 is connected to the first link member 160 by a resilient member 180.
  • the locking protrusion 195 is generally cylindrical and protrudes from the side of the locking lever 191. This locking protrusion 195 is formed by drawing the side of the locking lever 191 or by providing a separate rotatable roller member (not shown) on the side surface of the locking lever 191.
  • the locking recess 197 is integrally formed with the sub-chassis 112 by cutting away a part of a side of the sub chassis 112.
  • a tape cassette is loaded by the tape cassette housing 120, housing the tape cassette therein, being pressed toward the sub-chassis 112 and so that the locking protrusion 195 of the locking lever 191 is inserted into the locking recess 197 as shown in Figure 2 .
  • a tape cassette is unloaded by the an unlocking lever 117, which is pivotably disposed on the sub-chassis 112, pressing an unlocking protrusion 193 formed at the end of the locking lever 191 so that the locking protrusion 195 is released from the locking recess 197.
  • the first and the second link members 160, 170 are pivoted by the recovery force of the resilient member 180 and, accordingly, the tape cassette housing 120 ascends away from the sub-chassis.
  • a tape deck mechanism comprises a main chassis , a sub-chassis moveable between unloaded and loaded positions over the main chassis, a cassette carrier moveable relative to the sub-chassis between unloaded and loaded positions, and a latch for retaining the cassette carrier in its loaded position comprising a hook on the cassette carrier and a projection projecting inwardly from a side of the sub-chassis.
  • the tape deck is characterised in that the hook defines a recess such that the projection is received in the recess when the cassette carrier is moved into its loaded position and is engaged by the hook to hold the cassette carrier in its loaded position.
  • the surfaces of the hook and the projection which are engaged to hold the cases carrier in its loaded position are flat.
  • the projection comprises a tab bent inwards from the side of the sub-chassis.
  • the hook is pivotably mounted to the cassette carrier and resilient means is provided for resiliently biasing the hook towards its locking position.
  • the moving deck 100 of a first tape recorder includes a deck chassis 110, a tape cassette housing 120 and a locking device 200 for locking the tape cassette housing.
  • the deck chassis 110 includes a main-chassis 111 and a sub-chassis 112. On the main-chassis 111 are provided a loading motor 130 and a capstan-driving unit 140, and on the sub-chassis 112 is provided a pair of reel tables 150.
  • the tape cassette housing 120 removably houses a tape cassette (not shown).
  • First and second link members 160, 170 pivotably disposed on opposite sides of the tape cassette housing 120, are slidingly mounted on the sub-chassis 112, so that the tape cassette housing 120 can ascend from and descend to the sub-chassis 112.
  • Each of the first link members 160 is hinged to the tape cassette housing 120 using a first hinge 163. Respective upper ends of the first link members 160 are connected to each other by a connecting member 165.
  • Each of the first link members 160 is provided with first guide rails 161, disposed at a lower end thereof. The first guide rails 161 slidingly receives a first guide protrusion 115 of the sub-chassis 112.
  • the second link members 170 are hinged to the first link members 160 using second hinges 173.
  • Each of the second link members 170 has a mounting protrusion 125 formed at the bottom for insertion into a mounting opening 113 in the sub-chassis 112.
  • Upper ends of the second link members 170 are provided with second guide rails 171 into which second guide protrusions 121, protruding from both sides of the tape cassette housing 120, are inserted.
  • the locking device 200 includes a locking protrusion 220, a locking lever 210 and a locking recess 230.
  • the locking protrusion 220 is integrally formed with the sub-chassis 112 and has at least one edge 220a.
  • the formation of the edge 220a is achieved by forming the locking protrusion 220 with a non-circular traverse section.
  • the locking protrusion 220 is formed by cutting and bending a part of the sub-chassis 112 at or about 90° toward the inside of the sub chassis 112. Accordingly, the edges 220a are formed on both sides of the locking protrusion 220.
  • the locking protrusion 220 is formed integrally with the sub-chassis 112 in this way, the relatively complicated drawing process used for the conventional locking lever 191 (described in reference to Figure 1 ), or installation of a separate roller member (not shown) is not required.
  • the locking protrusion 220 is formed in a shape so that an edge 230a of the locking recess 230 comes into contact with the edge 220a right before the locking protrusion 220 is inserted to the locking recess 230 during cassette loading.
  • Other shapes of locking protrusion 220 can be used.
  • the locking lever 210 is hinged to a side of the tape cassette housing 120 using a third hinge 212.
  • the upper end of the locking lever 210 is connected to one of the first link members 160 by a resilient member 180, e.g. a helical spring. Due to the resilient member 180, the tape cassette housing 120 is capable of resiliently ascending and descending for the close contacting with and separation from the sub-chassis 112.
  • One side of the locking lever 210 is provided with the locking recess 230 into which the locking protrusion 220 is inserted so as to lock the tape cassette housing 120 onto the sub-chassis 112 in a close contacting manner.
  • the corner 230a of the locking recess 230 is connected to a guide surface 217 extending from the lower end of the locking lever 210.
  • the locking lever 210 pivots within a range that is determined by a regulating protrusion 127, protruding from the side of the tape cassette housing 120, and a second hinge 173, protruding from the second link member 170. Accordingly, excessive pivoting movement of the locking lever 210 due to the recovery force of the resilient lever 210 can be prevented.
  • An unlocking protrusion 213 protrudes from a lower end of the locking lever 210. The unlocking protrusion 213 comes into contact with an end of the unlocking lever 117, pivotably disposed on the sub-chassis 112, when the tape cassette housing 120 is locked. Operation of the unlocking protrusion 213 will be described below.
  • Cassette loading is initiated by a user pressing the outer surface of the tape cassette housing 120 toward the deck chassis 110. Accordingly, the second link members 170 pivot along the second guide rails 121 so that the lower ends of the first link members 160 ascend. Since the first guide protrusions 115 of the sub-chassis 112 are slidingly received by the first guide rails 161 of the lower ends of the first link member 160, the interactive movement of the first and the second link members 160, 170 allows the tape cassette housing 120 to be brought into close contact the sub-chassis 112.
  • the guide surface 217 of the locking lever 210 comes into contact with the edge 220a of the locking protrusion 220.
  • the descending movement of the tape cassette housing 120 continues so that the edge 220a of the locking protrusion 220 is guided toward the locking recess 230 and comes into contact with the corner 230a of the locking recess 230 (i.e. a boundary between the guide surface 217 and the locking recess 230).
  • the locking lever 210 pivots on the third hinge 212 in a direction of the arrow in Figure 6 , so that there occurs a recovery force in the resilient member 180.
  • the locking lever 210 pivots in an opposite direction to the arrow in Figure 6 , due to the recovery force of the resilient member 180 so that the locking protrusion 220 is inserted into the locking recess 230.
  • the edge 220a and the corner 230a come into linear contact with each other as shown in Figure 7 .
  • the linear contact reduces both contacting space and time. Accordingly, a "dead" point at which the conventional tape cassette housing 120 stops its movement is prevented.
  • an unlocking switch 135 When the user selects the ejection of the tape cassette, an unlocking switch 135 is operated so that a rod 135a, disposed on A side of the unlocking switch 135, protrudes beyond its rest position. Due to the operation of the unlocking switch 135, the unlocking lever 117 pivots to press the unlocking protrusion 213 so that the locking protrusion 220 is released from the locking recess 230. The unlocking protrusion 213 is pressed by the unlocking lever 117 to pivot the locking lever 210 in the direction of the arrow in Figure 6 and, accordingly, the locking protrusion 220 is released from the locking recess 230. After that, due to the recovery force of the resilient member 180, the tape cassette housing 120 automatically ascends. Simultaneously, the locking lever 210 pivots until its pivotal movement is limited by the regulating protrusion 127 to complete cassette unloading.
  • the locking device 200 of the tape cassette housing 120 as constructed and operated above is not limited to the embodiment described above.
  • the shapes of the locking recess 230, the locking protrusion 220 and the locking lever 210 can be varied.
  • a second deck 100 has a tape cassette housing locking device 200' which has substantially the same construction as that of the above-described embodiment, except that the locking protrusion 220' is modified in shape and there is no need for the installation of the unlocking lever 117 (described in reference to Figure 5 ), because the unlocking protrusion 213' comes into contact directly with the unlocking switch 130 as the tape cassette housing 120 is locked.
  • the locking protrusion 220' differs from the locking protrusion 220 of the above-described embodiment in that a side end of the locking protrusion 220' is bent inward at or about 90° toward the deck 100 for insertion into a locking recess 230'.
  • modifying the bending portion and bending direction of the locking protrusion 220' prevents errors in combining the locking protrusion 220' and the locking recess 230'. These errors are caused by deformation of the upper portion of the locking protrusion 210 that occurs from the frequent contact of the locking recess 230 and the locking protrusion 210.
  • the elements and operations of the deck 100 are identical to that of the above-described embodiment and the detailed description thereof will be omitted.
  • the stopping of the ascending and descending movements of the tape cassette housing 120 due to the interference between the locking recess 230 and the locking protrusion 220 is prevented during loading/unloading operations of the tape cassette.

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Studio Devices (AREA)

Claims (12)

  1. Platine de défilement (100) comprenant un châssis principal (111), un sous-châssis (112) mobile entre des positions déchargée et chargée sur le châssis principal (111), un support de cassette (120) mobile par rapport au sous-châssis (112) entre des positions déchargée et chargée, et un verrou (200) pour retenir le support de cassette (120) dans sa position chargée, comprenant un crochet sur le support de cassette (120) et une saillie (220) dépassant vers l'intérieur à partir d'un côté du sous-châssis (112), caractérisé en ce que le crochet définit un évidement (230) de telle sorte que la saillie (220) est reçue dans l'évidement (230) lorsque le support de cassette (120) est amené dans sa position chargée, et est engagée par le crochet pour maintenir le support de cassette (120) dans sa position chargée.
  2. Mécanisme selon la revendication 1, dans lequel les surfaces du crochet (230) et de la saillie (220) qui sont engagées pour maintenir le support de cassette dans sa position chargée sont plates.
  3. Mécanisme selon la revendication 1 ou 2, dans lequel la saillie (220) est constituée d'une languette courbée vers l'intérieur à partir du côté du sous-châssis (112).
  4. Mécanisme selon la revendication 3, dans lequel une partie d'extrémité supérieure de la languette est courbée transversalement vers l'intérieur à partir du côté du sous-châssis (112).
  5. Mécanisme selon la revendication 3, dans lequel une partie d'extrémité latérale de la languette est courbée transversalement vers l'intérieur à partir du côté du sous-châssis (112).
  6. Mécanisme selon l'une quelconque des revendications précédentes, dans lequel le crochet (230) est monté de façon pivotante sur le support de cassette (120) et un moyen élastique (180) est prévu pour rappeler le crochet (230) de manière élastique vers sa position de verrouillage.
  7. Mécanisme selon la revendication 6, comprenant en outre une surface de guidage (217) et au moins une saillie de régulation (127) pour limiter la rotation du crochet (230).
  8. Mécanisme selon la revendication 7, comprenant en outre un élément de liaison (160), le ou les éléments de liaison (160) étant montés de façon pivotante sur le support de cassette (120) et le moyen élastique (180) étant relié entre le ou les éléments de liaison (160) et le crochet pour permettre au boîtier de cassette de monter et descendre de manière élastique vers et du sous-châssis.
  9. Mécanisme selon la revendication 8, dans lequel le ou les éléments de liaison (160) sont en outre montés de manière pivotante sur une charnière (173) et la rotation du crochet (230) est limitée par la charnière (173) et la saillie de régulation (127).
  10. Mécanisme selon l'une quelconque des revendications 1 à 9, dans lequel le crochet (230) comprend un angle (230a) adapté pour entrer en contact avec le ou les bords (220a) de la saillie (220) puis s'engager avec le crochet (230) pour maintenir ainsi le support de cassette (120) dans sa position chargée.
  11. Mécanisme selon l'une quelconque des revendications précédentes, le crochet (230) comprenant en outre une saillie de déverrouillage (213) et le sous-châssis (112) comprenant en outre un contacteur de déverrouillage (135) et un levier de déverrouillage (117), dans lequel le contacteur de déverrouillage (135) entre en contact avec le levier de déverrouillage (117) qui agit sur la saillie de déverrouillage de telle sorte que le crochet (230) pivote et que la saillie (220) s'en dégage pour libérer le support de cassette (230) de sa position chargée.
  12. Procédé pour charger une platine de défilement comprenant un châssis principal (111), un sous-châssis (112), un support de cassette (120) et un verrou (200) constitué d'un crochet sur le support de cassette (120) et d'une saillie (220) dépassant vers l'intérieur à partir d'un côté du sous-châssis (112), le procédé comprenant les étapes consistant à :
    a) déplacer le sous-châssis (112) entre les positions déchargée et chargée sur le châssis principal (111),
    b) déplacer le support de cassette (120) par rapport au sous-châssis (112) entre les positions déchargée et chargée, et
    c) retenir le support de cassette (120) dans sa position chargée au moyen du verrou (200)
    caractérisé en ce que le crochet définit un évidement (230), et le procédé comprend en outre l'étape consistant à permettre à la saillie (220) du sous-châssis (112) d'être reçue dans l'évidement (230) lorsque le support de cassette (120) est amené dans sa position chargée de sorte que le crochet s'engage avec la saillie (220) pour maintenir le support de cassette (120) dans sa position chargée.
EP03256298A 2002-10-08 2003-10-07 Mécanisme d'appareil à bande Expired - Fee Related EP1411511B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2002061325 2002-10-08
KR10-2002-0061325A KR100465166B1 (ko) 2002-10-08 2002-10-08 테이프 레코더의 테이프 카세트 하우징 록킹장치

Publications (3)

Publication Number Publication Date
EP1411511A2 EP1411511A2 (fr) 2004-04-21
EP1411511A3 EP1411511A3 (fr) 2006-11-29
EP1411511B1 true EP1411511B1 (fr) 2008-12-17

Family

ID=36815343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03256298A Expired - Fee Related EP1411511B1 (fr) 2002-10-08 2003-10-07 Mécanisme d'appareil à bande

Country Status (6)

Country Link
US (2) US7199968B2 (fr)
EP (1) EP1411511B1 (fr)
JP (1) JP2004134071A (fr)
KR (1) KR100465166B1 (fr)
CN (1) CN1278326C (fr)
DE (1) DE60325316D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100465170B1 (ko) * 2002-10-16 2005-01-13 삼성전자주식회사 자기 기록/재생장치의 하우징 결합장치
KR20050120164A (ko) * 2004-06-18 2005-12-22 삼성전자주식회사 카세트 하우징의 레버 고정장치 및 그것을 갖는자기기록재생장치
KR20050120462A (ko) * 2004-06-19 2005-12-22 삼성전자주식회사 카세트 테이프 취출장치 및 이를 구비하는 자기기록재생장치
JP6297904B2 (ja) * 2014-04-21 2018-03-20 矢崎総業株式会社 被支持部材と支持体との係止構造
JP6038977B2 (ja) * 2015-02-12 2016-12-07 矢崎総業株式会社 係止構造、電子部品ユニット、及び、ワイヤハーネス

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Publication number Priority date Publication date Assignee Title
US4422114A (en) * 1980-06-20 1983-12-20 Pioneer Electronic Corporation Cassette tape player
JPS5942557U (ja) 1982-09-11 1984-03-19 アルプス電気株式会社 カセット式テープレコーダー
KR910001513Y1 (ko) * 1987-11-14 1991-03-07 김성기 기계용 썰매체
KR940001836Y1 (ko) * 1988-07-30 1994-03-25 주식회사 금성사 Fifo 램 카운터 제어 회로
JPH07262662A (ja) * 1994-03-18 1995-10-13 Hitachi Ltd 磁気記録カセット装着装置
JP3202540B2 (ja) 1995-06-07 2001-08-27 キヤノン株式会社 カセット装着装置及びこのカセット装着装置を備えた記録又は再生装置
US6038100A (en) * 1994-08-06 2000-03-14 Canon Kabushiki Kaisha Recording and/or reproducing apparatus with variably damped cassette loading mechanism
KR0176551B1 (ko) 1995-12-22 1999-04-15 김광호 자기 기록/재생장치
KR100206380B1 (ko) * 1996-08-27 1999-07-01 이형도 오토리버스식 테이프 레코더
KR100195150B1 (ko) * 1996-12-31 1999-06-15 윤종용 테이프 레코더의 프론트 도어 잠금장치
US6198596B1 (en) * 1997-08-22 2001-03-06 Canon Kabushiki Kaisha Cassette mounting device having lock lever spring disposed in cassette holder
KR100248000B1 (ko) * 1997-10-08 2000-03-15 윤종용 테이프 레코더의 데크 조립체
JP3396615B2 (ja) * 1998-01-30 2003-04-14 日本ビクター株式会社 テープカセット装着装置
US6754039B2 (en) * 2000-01-25 2004-06-22 Canon Kabushiki Kaisha Cassette loading apparatus

Also Published As

Publication number Publication date
US20040109260A1 (en) 2004-06-10
US20060181802A1 (en) 2006-08-17
CN1497570A (zh) 2004-05-19
CN1278326C (zh) 2006-10-04
KR100465166B1 (ko) 2005-01-13
EP1411511A3 (fr) 2006-11-29
KR20040032014A (ko) 2004-04-14
DE60325316D1 (de) 2009-01-29
JP2004134071A (ja) 2004-04-30
EP1411511A2 (fr) 2004-04-21
US7199968B2 (en) 2007-04-03
US7428121B2 (en) 2008-09-23

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